A movable switch cabinet static contact centering degree inspection device
Patent Information
- Application Number
- CN202522252387.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-24
- Publication Date
- 2026-09-08
- Estimated Expiration
- 2035-10-24
AI Technical Summary
开关柜的整个载流回路中,动触头与静触头搭接处为一个相对薄弱的环节,在动静触头配合时,动静触头对中偏差较大会导致触头变形,甚至损坏;假如设备长时间以偏差较大的状态运行,则很可能导致设备发热量增大、导致绝缘破坏,从而导致开关柜严重故障
[0006]Compared with the prior art, the removable switchgear stationary contact alignment inspection device of this application is applied to the switchgear. The light spot generated by the light source generator will be directed onto the stationary contact. The user stands behind the transparent window (outside the switchgear) and observes the overlap between the light spot and the ring on the stationary contact through the observation area to check the alignment. The operation is simple and convenient.
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Figure CN224731278U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of switchgear, and in particular to a device for checking the alignment of stationary contacts in a removable switchgear. Background Technology
[0002] Mobile switchgear is a crucial piece of power distribution equipment, and its safe and reliable operation is of paramount importance to the safe and efficient operation of the power system. In the entire current-carrying circuit of the switchgear, the contact between the moving and stationary contacts is a relatively weak link. Significant misalignment between the moving and stationary contacts during operation can lead to contact deformation or even damage. If the equipment operates with this significant misalignment for an extended period, it can result in increased heat generation, insulation failure, and ultimately, a serious switchgear malfunction.
[0003] In existing mobile switchgear, since the moving and stationary contacts are enclosed within the mobile switchgear, it is very difficult to detect the degree of deviation between the moving and stationary contacts. There is currently no effective method to detect the degree of deviation between the moving and stationary contacts. Utility Model Content
[0004] The purpose of this invention is to provide a device for checking the alignment of stationary contacts in a removable switchgear, aiming to solve the technical problem of how to check the alignment of stationary contacts in a mobile switchgear as described in the background art.
[0005] To achieve the above objectives, the technical solution of this utility model is as follows: This utility model provides a device for checking the alignment of stationary contacts in a removable switchgear, which is applied to switchgear and includes: Inspection vehicle; An observation box is installed on the inspection vehicle; the observation box includes a box body and a transparent viewing window, wherein... The front side of the housing is provided with multiple support arms. The front end of each support arm is provided with a moving contact and a light source generator. The light source generator is located on the central axis of the moving contact and is used to generate a detection light spot. The front side of the housing is provided with multiple observation areas for observing the overlap between the detection spot and the stationary contact. An operating port is provided on the rear side of the housing; The transparent window is detachably connected to the housing to open or close the operating port.
[0006] Compared with the prior art, the removable switchgear stationary contact alignment inspection device of this application is applied to the switchgear. The light spot generated by the light source generator will be directed onto the stationary contact. The user stands behind the transparent window (outside the switchgear) and observes the overlap between the light spot and the ring on the stationary contact through the observation area to check the alignment. The operation is simple and convenient.
[0007] In one embodiment, the edge of the transparent window is provided with a plurality of positioning holes; The rear side of the housing is provided with multiple mounting holes, and each of the multiple mounting holes corresponds to a multiple of the multiple positioning holes; The device for checking the neutral alignment of the stationary contact of the retractable switchgear also includes multiple bolts, which are threaded through the positioning holes and connected to the mounting holes.
[0008] In one embodiment, the front side of the housing is provided with a plurality of mounting ports, and the plurality of mounting ports correspond one-to-one with the plurality of support arms; The support arm has a mounting cavity, which is connected to the mounting port; The wires of the light source generator are located inside the mounting cavity, and the tail end of the wires enters the housing through the mounting port.
[0009] In one embodiment, the housing is provided with a wire groove, and a wire channel is formed between the wire groove and the housing, and the wire channel is connected to the wire outlet hole of the housing; A portion of the conductor is located within the conductor channel.
[0010] In one embodiment, the multiple mounting ports on the front side of the housing are divided into upper mounting ports and lower mounting ports; The wire groove is located between the upper mounting port and the lower mounting port.
[0011] In one embodiment, the housing includes a first cavity and a second cavity, wherein the second cavity is located below the first cavity; The first cavity is connected to the operating port; The rear side of the box is also provided with an opening, which is connected to the second cavity.
[0012] In one embodiment, the observation box further includes a cover, which is rotatably connected to the box body to open or close the opening.
[0013] In one embodiment, the removable switchgear stationary contact pair moderate inspection device further includes a positioning plate, which is disposed on the inspection vehicle and located in front of the observation box; The positioning plate is provided with multiple positioning slots, and each of the multiple positioning slots corresponds to one of the multiple support arms; the support arms are inserted into the positioning slots.
[0014] In one embodiment, the inspection vehicle is equipped with wheels at the bottom. Attached Figure Description
[0015] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings: Figure 1 This is a perspective view of a retractable switchgear stationary contact alignment inspection device according to this application; Figure 2 This is a perspective view of a removable switchgear stationary contact alignment inspection device according to this application (transparent window omitted); Figure 3 This is a schematic diagram of the operation of a removable switchgear stationary contact neutral inspection device according to this application.
[0016] Explanation of reference numerals in the attached figures: 10 Inspection vehicle, 110 Wheels, 20 Observation box, 210 Box body, 2101 First cavity, 2102 Second cavity, 211 Support arm, 2111 Mounting cavity, 212 Moving contact, 213 Light source generator, 2131 Wire, 214 Observation area, 215 Operation port, 216 Mounting hole, 217 Mounting port, 218 Wire groove, 220 Transparent window, 221 Positioning hole, 230 Cover, 30 Positioning plate, 40 Stationary contact. Detailed Implementation
[0017] To better illustrate this utility model, a further detailed description of this utility model is provided below with reference to the accompanying drawings.
[0018] It should be understood that the described embodiments are merely some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of the embodiments of this application.
[0019] The terminology used in the embodiments of this application is for the purpose of describing particular embodiments only and is not intended to limit the embodiments of this application. The singular forms “a,” “the,” and “the” used in the embodiments of this application and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more of the associated listed items.
[0020] In the following description, when referring to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims. In the description of this application, it should be understood that the terms "first," "second," "third," etc., are used only to distinguish similar objects and are not necessarily used to describe a specific order or sequence, nor should they be construed as indicating or implying relative importance. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0021] Furthermore, in the description of this application, unless otherwise stated, "multiple" means two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, or B alone. The character " / " generally indicates that the preceding and following related objects have an "or" relationship.
[0022] Combination Figures 1 to 3 As shown, this utility model provides a removable switchgear stationary contact 40 neutral inspection device, which is applied to a switchgear and includes: an inspection cart 10; an observation box 20, which is set on the inspection cart 10; the observation box 20 includes a box body 210 and a transparent window 220, wherein the front side of the box body 210 is provided with multiple support arms 211, the front end of the support arms 211 is provided with a moving contact 212 and a light source generator 213, the light source generator 213 is located on the central axis of the moving contact 212, and the light source generator is used to generate a detection light spot; the front side of the box body 210 is provided with multiple observation areas 214 for observing the overlap between the detection light spot and the stationary contact 40; the rear side of the box body 210 is provided with an operation port 215; the transparent window 220 is detachably connected to the box body 210 to open or close 230 the operation port 215.
[0023] Specifically, the removable switchgear stationary contact 40 alignment inspection device (hereinafter referred to as the inspection device) of this application is applied to the switchgear. It should be noted that the switchgear is equipped with a corresponding movable platform to place the inspection device of this application, and the movable platform corresponds to the position of the stationary contact 40. The light spot generated by the light source generator 213 is directed onto the stationary contact 40. The user stands behind the transparent window 220 (outside the switchgear) and checks the alignment by observing the overlap between the light spot and the ring on the stationary contact 40 through the observation area 214. The operation is simple and convenient. In this embodiment, the light source generator 213 is a visible light laser, which can emit visible light so that the user can see the light spot it produces with the naked eye.
[0024] In this embodiment, the edge of the transparent window 220 is provided with multiple positioning holes 221; the rear side of the housing 210 is provided with multiple mounting holes 216, and the multiple mounting holes 216 correspond one-to-one with the multiple positioning holes 221; the centering inspection device for the removable switch cabinet stationary contact 40 also includes multiple bolts, which pass through the positioning holes 221 and are threadedly connected to the mounting holes 216. When it is necessary to disassemble the transparent window 220, the user can simply unscrew the multiple bolts. After disassembling the transparent window 220, the operation port 215 is opened so that the user can perform installation, adjustment, or other operations on the wires 2131 or other mechanisms inside the housing 210.
[0025] In this embodiment, the front side of the housing 210 is provided with a plurality of mounting ports 217, and the plurality of mounting ports 217 correspond one-to-one with the plurality of support arms 211; the support arm 211 is provided with a mounting cavity 2111, and the mounting cavity 2111 communicates with the mounting port 217; the wire 2131 of the light source generator 213 is located in the mounting cavity 2111, and the tail end of the wire 2131 enters the housing 210 through the mounting port 217 so that the tail end of the wire 2131 is connected to the power supply, so that the light source generator 213 is powered on and generates a light spot.
[0026] Furthermore, the housing 210 is provided with a wire groove 218, and a wire channel 2131 is formed between the wire groove 218 and the housing 210. The wire channel 2131 is connected to the wire outlet hole of the housing 210. A portion of the wire 2131 is located in the wire channel 2131, and the wire groove 218 is used to store and organize the wire 2131.
[0027] Furthermore, the multiple mounting openings 217 on the front side of the housing 210 are divided into an upper mounting opening 217 and a lower mounting opening 217; the wire channel 218 is located between the upper mounting opening 217 and the lower mounting opening 217. Specifically, the wires 2131 of the upper mounting opening 217 are routed downwards and stored in the wire channel 218, and the wires 2131 of the lower mounting opening 217 are routed upwards and stored in the wire channel 218.
[0028] In this embodiment, the housing 210 includes a first cavity 2101 and a second cavity 2102, with the second cavity 2102 located below the first cavity 2101; the first cavity 2101 is connected to the operating port 215; the rear side of the housing 210 is also provided with an opening, which is connected to the second cavity 2102, allowing some tools to be stored in the second cavity 2102.
[0029] Furthermore, the observation box 20 also includes a cover 230, which is rotatably connected to the box body 210 to open or close the opening. Preferably, the cover 230 is rotatably connected to the box body 210 via a hinge.
[0030] Since the support arm 211 has a certain length, in this embodiment, the removable switch cabinet stationary contact 40 centering inspection device also includes a positioning plate 30. The positioning plate 30 is disposed on the inspection cart 10 and located in front of the observation box 20. The positioning plate 30 is provided with multiple positioning slots, and the multiple positioning slots correspond one-to-one with the multiple support arms 211. The support arm 211 passes through the positioning slots, and the positioning plate 30 supports the support arm 211 to increase stability.
[0031] In this embodiment, the bottom of the inspection cart 10 is provided with wheels 110, which can slide on the guide rail of the moving platform on the switch cabinet to adjust the distance between the inspection device and the stationary contact 40. Additionally, the moving platform can drive the inspection device to move laterally. This application changes the position of the inspection device based on the overlap between the light spot and the ring on the stationary contact 40, thereby achieving alignment with the stationary contact 40.
[0032] In the description of this utility model, it should be understood that the terms "vertical", "horizontal", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only used to facilitate the description of this utility model and to simplify the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.
[0033] If the terms "first" or "second" are used in this document to define the components, those skilled in the art should know that the use of "first" or "second" is merely for the convenience of describing this utility model and simplifying the description, and unless otherwise stated, the above terms have no special meaning.
[0034] This utility model is not limited to the above-described embodiments. If any modifications or variations to this utility model do not depart from the spirit and scope of this utility model, and if such modifications and variations fall within the scope of the claims and equivalent technologies of this utility model, then this utility model also intends to include such modifications and variations.
Claims
1. A device for checking the alignment of stationary contacts in a removable switchgear, used in switchgear, characterized in that, include: Inspection vehicle; An observation box is installed on the inspection vehicle; the observation box includes a box body and a transparent viewing window, wherein... The front side of the housing is provided with multiple support arms. The front end of each support arm is provided with a moving contact and a light source generator. The light source generator is located on the central axis of the moving contact and is used to generate a detection light spot. The front side of the housing is provided with multiple observation areas for observing the overlap between the detection spot and the stationary contact. An operating port is provided on the rear side of the housing; The transparent window is detachably connected to the housing to open or close the operating port.
2. The device for checking the alignment of stationary contacts in a withdrawable switchgear according to claim 1, characterized in that: The edge of the transparent window is provided with multiple positioning holes; The rear side of the housing is provided with multiple mounting holes, and each of the multiple mounting holes corresponds to a multiple of the multiple positioning holes; The device for checking the neutral alignment of the stationary contact of the retractable switchgear also includes multiple bolts, which are threaded through the positioning holes and connected to the mounting holes.
3. The device for checking the alignment of stationary contacts in a withdrawable switchgear according to claim 1, characterized in that: The front side of the housing is provided with multiple mounting ports, and each of the multiple mounting ports corresponds to one of the multiple support arms; The support arm has a mounting cavity, which is connected to the mounting port; The wires of the light source generator are located inside the mounting cavity, and the tail end of the wires enters the housing through the mounting port.
4. The device for checking the alignment of stationary contacts in a withdrawable switchgear according to claim 3, characterized in that: The box is provided with a wire groove, and a wire channel is formed between the wire groove and the box. The wire channel is connected to the wire outlet hole of the box. A portion of the conductor is located within the conductor channel.
5. The device for checking the alignment of stationary contacts in a withdrawable switchgear according to claim 4, characterized in that: The multiple mounting ports on the front side of the housing are divided into upper mounting ports and lower mounting ports; The wire groove is located between the upper mounting port and the lower mounting port.
6. The device for checking the alignment of stationary contacts in a withdrawable switchgear according to claim 1, characterized in that: The enclosure includes a first cavity and a second cavity, with the second cavity located below the first cavity; The first cavity is connected to the operating port; The rear side of the box is also provided with an opening, which is connected to the second cavity.
7. The device for checking the alignment of stationary contacts in a withdrawable switchgear according to claim 6, characterized in that: The observation box also includes a cover, which is rotatably connected to the box body to open or close the opening.
8. The device for checking the alignment of stationary contacts in a withdrawable switchgear according to claim 1, characterized in that: The removable switchgear stationary contact neutral inspection device also includes a positioning plate, which is mounted on the inspection vehicle and located in front of the observation box; The positioning plate is provided with multiple positioning slots, and each of the multiple positioning slots corresponds to one of the multiple support arms; the support arms are inserted into the positioning slots.
9. The device for checking the alignment of stationary contacts in a withdrawable switchgear according to claim 1, characterized in that: The inspection vehicle is equipped with wheels at the bottom.